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Set the SMBIOS chassis type to portable if a DT battery exists

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This allows getting the HSI result on a Pinebook Pro laptop.
This commit is contained in:
Richard Hughes 2020-11-06 13:47:42 +00:00
parent 42a5b39385
commit 01ba0c1eea
1 changed files with 20 additions and 3 deletions
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23
libfwupdplugin/fu-smbios.c
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@ -70,6 +70,15 @@ typedef struct {
G_DEFINE_TYPE (FuSmbios, fu_smbios, G_TYPE_OBJECT) G_DEFINE_TYPE (FuSmbios, fu_smbios, G_TYPE_OBJECT)
static void
fu_smbios_convert_dt_value (FuSmbios *self, guint8 type, guint8 offset, guint8 value)
{
FuSmbiosItem *item = g_ptr_array_index (self->items, type);
for (guint i = item->buf->len; i < (guint) offset + 1; i++)
fu_byte_array_append_uint8 (item->buf, 0x0);
item->buf->data[offset] = value;
}
static void static void
fu_smbios_convert_dt_string (FuSmbios *self, guint8 type, guint8 offset, fu_smbios_convert_dt_string (FuSmbios *self, guint8 type, guint8 offset,
const gchar *path, const gchar *subpath) const gchar *path, const gchar *subpath)
@ -85,14 +94,14 @@ fu_smbios_convert_dt_string (FuSmbios *self, guint8 type, guint8 offset,
/* add to strtab */ /* add to strtab */
g_ptr_array_add (item->strings, g_strndup (buf, bufsz)); g_ptr_array_add (item->strings, g_strndup (buf, bufsz));
for (guint i = item->buf->len; i < (guint) offset + 1; i++) fu_smbios_convert_dt_value (self, type, offset, item->strings->len);
fu_byte_array_append_uint8 (item->buf, 0x0);
item->buf->data[offset] = item->strings->len;
} }
static gboolean static gboolean
fu_smbios_setup_from_path_dt (FuSmbios *self, const gchar *path, GError **error) fu_smbios_setup_from_path_dt (FuSmbios *self, const gchar *path, GError **error)
{ {
g_autofree gchar *fn_battery = NULL;
/* add all four faked structures */ /* add all four faked structures */
for (guint i = 0; i < FU_SMBIOS_STRUCTURE_TYPE_LAST; i++) { for (guint i = 0; i < FU_SMBIOS_STRUCTURE_TYPE_LAST; i++) {
FuSmbiosItem *item = g_new0 (FuSmbiosItem, 1); FuSmbiosItem *item = g_new0 (FuSmbiosItem, 1);
@ -102,6 +111,14 @@ fu_smbios_setup_from_path_dt (FuSmbios *self, const gchar *path, GError **error)
g_ptr_array_add (self->items, item); g_ptr_array_add (self->items, item);
} }
/* if it has a battery it is portable (probably a laptop) */
fn_battery = g_build_filename (path, "battery", NULL);
if (g_file_test (fn_battery, G_FILE_TEST_EXISTS)) {
fu_smbios_convert_dt_value (self,
FU_SMBIOS_STRUCTURE_TYPE_CHASSIS, 0x05,
FU_SMBIOS_CHASSIS_KIND_PORTABLE);
}
/* DMI:Manufacturer */ /* DMI:Manufacturer */
fu_smbios_convert_dt_string (self, FU_SMBIOS_STRUCTURE_TYPE_SYSTEM, 0x04, fu_smbios_convert_dt_string (self, FU_SMBIOS_STRUCTURE_TYPE_SYSTEM, 0x04,
path, "vendor"); path, "vendor");